CN108614376A - A kind of high efficiency quantum dot film and its preparation method and application reflecting blue light - Google Patents
A kind of high efficiency quantum dot film and its preparation method and application reflecting blue light Download PDFInfo
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- CN108614376A CN108614376A CN201810265373.XA CN201810265373A CN108614376A CN 108614376 A CN108614376 A CN 108614376A CN 201810265373 A CN201810265373 A CN 201810265373A CN 108614376 A CN108614376 A CN 108614376A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133621—Illuminating devices providing coloured light
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/88—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
- C09K11/881—Chalcogenides
- C09K11/883—Chalcogenides with zinc or cadmium
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
Abstract
The present invention relates to optical thin films, and in particular to a kind of quantum dot film.In order to solve the problems, such as that the high energy blue light during current quantum dot is shown is big to the injury of eyes and quantum dot film luminous efficiency is general, the present invention provides a kind of high efficiency quantum dot film and its preparation method and application reflecting blue light.Quantum dot film and anti-blue light film (reflection-type) are combined into one by the present invention, the high efficiency quantum dot film includes quantum dot glue-line and the water oxygen barrier layer for being coated on quantum dot glue-line upper and lower surface, and fits in the function anti-blue light layer or film of water oxygen barrier layer.The function anti-blue light layer or film can reflect blue light, and the blue light that will reflect back into carrys out secondary excitation quantum dot, improve the utilization rate of blue light, and the luminous efficiency of quantum dot film obtains the promotion of matter.Dosage of the high efficiency quantum dot film in addition to that can save quantum dot plays the role of saving except cost well, moreover it is possible to filter out some blue light, play the role of reducing visual fatigue and protect eyes.
Description
Technical field
The present invention relates to field of optical films, more particularly relate to a kind of high efficiency quantum dot film reflecting blue light and
Preparation method and application.
Background technology
Quantum dot TV is a kind of TV applying technology of quantum dots backlight, identical as traditional LCD display technologies,
Quantum dot is shown and the display device of non-luminescent property, needs to provide light by backlight module.The difference of the two is, passes
System LCD uses white light as light source, and quantum dot liquid crystal display needs blue light to carry out the red green quantum in excitation quantum point film
The backlight that the light source to obtain white light source, excited by quantum dot is the purest is put, revolutionary realization full gamut is shown,
Most really restore image color.
However, quantum dot TV also brings certain body harm while realizing high colour gamut display to consumer.One
As quantum dot TV blue emission wavelength between 440nm~460nm, and blue light of the wavelength between 415~455nm is to regarding
The harm of nethike embrane is larger, has seen that long easy eye is dry, eye is puckery, or even induce eye disease.Meanwhile quantum dot TV is to pass through ethereal blue
Photon in light source deexcitation quantum dot, in order to improve the luminous efficiency of quantum dot film, required blue light strength higher is stronger,
Its imaging process will be further exacerbated by the diverging of blue light, can cause greatly to injure to the eyes of consumer.
In conclusion under the premise for ensureing high color gamut value, it can ensure that quantum dot film has enough luminous efficiencies
And reduce the inexorable trend that display will be the following quantum dot display development to the injury of eyes to the greatest extent, therefore a kind of shield of exploitation
Eye high efficiency quantum dot film has far reaching significance.
Invention content
In order to solve, the high energy blue light during current quantum dot is shown is big to the injuries of eyes and quantum dot film luminous efficiency
General problem, the present invention provide a kind of high efficiency quantum dot film and its preparation method and application reflecting blue light.This hair
It is bright to be combined into one quantum dot film and anti-blue light film (reflection-type), the high efficiency quantum dot film include quantum dot glue-line with
And be coated on the water oxygen barrier layer of quantum dot glue-line upper and lower surface, and fit in water oxygen barrier layer function anti-blue light layer or
Film.Wherein quantum dot glue-line is capable of providing the red green light of backlight module needs, and water oxygen barrier layer can obstruct steam and oxygen
To improve the service life of quantum dot, function anti-blue light layer or film can characteristically reflect blue light, the blue light reflected back
Secondary excitation quantum dot, improves the utilization rate of blue light, and the luminous efficiency of quantum dot film obtains the promotion of matter, plays good section
The effect of cost-saving.
The high efficiency quantum dot film provided by the invention for reflecting blue light can reflection wavelength be 380nm~480nm it
Between part high energy blue light, can not only play the role of reducing visual fatigue and protect eyes, moreover it is possible to significantly improve quantum dot
The luminous efficiency of film.
In order to solve the above-mentioned technical problem, the present invention uses following technical proposals：
The present invention provides a kind of high efficiency quantum dot film reflecting blue light, and the quantum dot film includes quantum dispensing
Layer and function anti-blue light layer or film；The function anti-blue light layer or film are arranged in the top of the quantum dot glue-line.
Blu-ray reflection can be returned the quantum dot glue-line by the function anti-blue light layer or film.
In use, the above-mentioned high efficiency quantum dot film for reflecting blue light is placed in the top of light source.
The function anti-blue light layer or film are the functional layer or film that can reflect blue light.
Further, the present invention provides a kind of high efficiency quantum dot film reflecting blue light, the quantum dot film packet
Include antiscratch coatings, upper water oxygen barrier layer, lower water oxygen barrier layer, quantum dot glue-line and function anti-blue light layer or film；The quantum
The upper water oxygen barrier layer of upper surface setting of point glue-line, the lower water oxygen barrier layer of lower surface setting of the quantum dot glue-line, under described
The lower surface of water oxygen barrier layer is arranged antiscratch coatings, the upper surface setting function anti-blue light layer of the upper water oxygen barrier layer or
Film.The function anti-blue light layer or film can characteristically reflect blue light, the blue light secondary excitation quantum dot reflected back, improve
The luminous efficiency of the utilization rate of blue light, quantum dot film obtains the promotion of matter.
The upper water oxygen barrier layer and lower water oxygen barrier layer can be collectively referred to as water oxygen barrier layer.
Further, the quantum dot film is by antiscratch coatings, upper water oxygen barrier layer, lower water oxygen barrier layer, quantum dot
Glue-line and function anti-blue light layer or film composition；The upper water oxygen barrier layer of upper surface setting of the quantum dot glue-line, the quantum dot
The lower water oxygen barrier layer of lower surface setting of glue-line, antiscratch coatings, the upper water is arranged in the lower surface of the lower water oxygen barrier layer
The upper surface setting function anti-blue light layer or film of oxygen barrier layer.
Further, the quantum dot glue-line includes adhesive, quantum dot and inorganic diffusion particle.
Further, the inorganic diffusion particle includes TiO 2 particles and silicon dioxide granule.
Further, the quantum dot glue-line includes the adhesive of 100 parts by weight, the quantum dot of 8-14 parts by weight, 5-10
The silicon dioxide granule of the TiO 2 particles and 10-20 parts by weight of parts by weight.
Further, the quantum dot glue-line includes the adhesive of 100 parts by weight, the red quantum dot of 2-5 parts by weight, 6-
The green quantum dot of 9 parts by weight, the silicon dioxide granule of the TiO 2 particles and 10-20 parts by weight of 5-10 parts by weight.
Further, the quantum dot glue-line includes the adhesive of 100 parts by weight, the red quantum dot of 2-5 parts by weight, 6-
The green quantum dot of 9 parts by weight, the silicon dioxide granule of the TiO 2 particles and 15-20 parts by weight of 7-10 parts by weight.It is aforementioned
Technical solution includes embodiment 8-10.
The thickness of the quantum dot glue-line is 150~250 μm；
Further, the adhesive in the quantum dot glue-line is selected from modified acrylic resin.
Modified acrylic resin's resin is ultraviolet light solidification resinoid.
Further, the quantum dot and inorganic diffusion particle are uniformly distributed in adhesive.
Further, the quantum dot includes red quantum dot and green quantum dot.
The particle size range of the red quantum dot is 7~9nm.
The particle size range of the green quantum dot is 2~4nm.
The quantum dot is extremely small inorganic nanocrystal.
Further, the quantum dot is CdSe/ZnS core/shell structure quantum dots.
The red quantum dot sends out feux rouges under blue light excitation, and the green quantum dot sends out green under blue light excitation
Light.Red quantum dot and green quantum dot may be simply referred to as red, green quantum dot.
Further, the red quantum dot and the weight ratio of green quantum dot are 2-5：6-9.
The red green quantum dot of different proportion can be added according to chromaticity coordinate and briliancy requirement in above-mentioned quantum dot glue-line.
Further, the grain size of the silicon dioxide granule in the quantum dot glue-line is 1~2 μm.
Further, the grain size of the TiO 2 particles in the quantum dot glue-line is 0.2~0.5 μm.
The TiO 2 particles and silicon dioxide granule are elliposoidal or spherical shape.
The silicon dioxide granule and TiO 2 particles improve refraction and the scattered power of light as light diffusion particle,
To increase absorption of red, the green quantum dot to light, luminous efficiency is improved.
Further, the function anti-blue light layer or film are in anti-blue light liquid crystal film, multilayer lamination barrier blue light film
One or two kinds of combinations.
The function anti-blue light layer or film can also be that other can reflect the functional membrane of blue light.
The function anti-blue light layer or film can be direct matching raw materials, coating is formed after drying, and can also be by city
The anti-blue light function film bought on field.
Further, the function anti-blue light layer or film being capable of characteristically portion of the reflection wavelength between 380~480nm
Divide high energy blue light.
The thickness of the function anti-blue light layer or film is 50~120 μm.
Further, the thickness of the function anti-blue light layer or film is 90 μm.Preceding solution includes embodiment 3, reality
Apply a 6-10.
Further, the water oxygen barrier layer up and down is compo.
The compo is the mixture of the strong glue A of block-water performance and the strong glue B of resistance oxygen ability.
In the compo, the weight ratio of glue A and glue B are 1:1.
The thickness of the upper water oxygen barrier layer and lower water oxygen barrier layer is respectively 2~10 μm.
The surface of the antiscratch coatings has protrusion.
Further, the surface of the antiscratch coatings has the protrusion not higher than 20 μm.
Further, the antiscratch coatings include adhesive and scratch resistance particle.
The thickness of the antiscratch coatings is 5~10 μm.
Further, the adhesive in the antiscratch coatings is that a kind of ultraviolet light cures resinoid.
Further, the antiscratch coatings include the scratch resistance particle that grain size is 10-20 μm.
Further, the scratch resistance particle is selected from PMMA.
The present invention also provides a kind of application for the high efficiency quantum dot film reflecting blue light, the high efficiency quantum dot is thin
Film is applied in straight-down negative or side entrance back module.
The present invention also provides a kind of method for the high efficiency quantum dot film for preparing and can reflecting blue light, the method includes
Following steps：
(1) glue A and glue B mixing are obtained water oxygen resistance by the raw material of water oxygen barrier layer and lower water oxygen barrier layer in configuration
Every coating；
(2) water oxygen barrier coating is spread evenly across on function anti-blue light film, UV-light cured obtains water oxygen barrier layer；
(3) adhesive, TiO 2 particles, silicon dioxide granule and red, green quantum dot are mixed, obtains quantum dispensing
Liquid；
(4) quantum dot glue is spread evenly across upper water oxygen and obstructs layer surface, UV-light cured obtains quantum dot glue-line；
(5) water oxygen barrier coating is spread evenly across to the surface of quantum dot glue-line, UV-light cured obtains lower water oxygen barrier
Layer；
(6) antiscratch coatings raw material is configured, anti scuffing particle and adhesive are mixed, anti scuffing particle coating fluid is obtained；
(7) anti scuffing particle coating fluid is spread evenly across to the surface of lower water oxygen barrier layer, UV-light cured obtains anti-scratch
Hinder coating；
(8) above-mentioned diaphragm is put into baking oven and is cured, obtain high efficiency quantum dot film finished product.
Further, it the described method comprises the following steps：
(1) in configuration water oxygen barrier layer and lower water oxygen barrier layer raw material, glue A and glue B are mixed according to a certain percentage
It closes, high speed is lower to stir 30min, obtains water oxygen barrier coating；
(2) water oxygen barrier coating is spread evenly across on function anti-blue light film, UV-light cured obtains water oxygen barrier layer；
(3) adhesive, TiO 2 particles, silicon dioxide granule and red green quantum dot are mixed, high-speed stirred 30min
After obtain quantum dot glue；
(4) quantum dot glue is spread evenly across upper water oxygen and obstructs layer surface, UV-light cured obtains quantum dot glue-line；
(5) water oxygen barrier coating is spread evenly across to the surface of quantum dot glue-line, UV-light cured obtains lower water oxygen barrier
Layer；
(6) antiscratch coatings raw material, high-speed stirred after anti scuffing particle and adhesive are mixed according to a certain percentage are configured
30min obtains anti scuffing particle coating fluid；
(7) anti scuffing particle coating fluid is spread evenly across to the surface of lower water oxygen barrier layer, UV-light cured obtains anti-scratch
Hinder coating；
(8) above-mentioned diaphragm is put into 70 DEG C of baking ovens and is cured for 24 hours, obtain high efficiency quantum dot film finished product.
High efficiency quantum dot film provided by the invention is by quantum dot glue-line, function anti-blue light layer or film, water oxygen barrier layer
It is formed with scratch resistance coating, wherein quantum dot glue-line is capable of providing the red green light of backlight module needs and enough briliancy tables
Existing, antiscratch coatings prevent diaphragm from damaging, and water oxygen barrier layer can obstruct steam and oxygen to improve making for quantum dot
With the service life, function anti-blue light layer or film can characteristically reflect blue light, and the blue light that will reflect back into carrys out secondary excitation quantum dot,
The utilization rate of blue light is improved, the luminous efficiency of quantum dot film obtains the promotion of matter.High efficiency quantum dot provided by the invention is thin
Dosage of the film in addition to that can save quantum dot plays the role of saving except cost well, moreover it is possible to filter out some blue light, rise
To the effect for reducing visual fatigue and protect eyes.
High efficiency quantum dot film provided by the invention has the characteristics that luminous efficiency height and barrier blue light, overcomes quantum
Point TV high energy blue light strength is big and the shortcomings that extremely hinder, by the luminous effect of quantum dot film under the premise of not losing colour gamut
Rate is increased to ultimate attainment level.
Description of the drawings
Fig. 1 is the structural schematic diagram of high efficiency quantum dot film provided by the invention；
Fig. 2 is the light transmittance comparison diagram of common quantum dot film and high efficiency quantum dot film provided by the invention；
Fig. 3 is the emission spectrum comparison diagram of common quantum dot film and high efficiency quantum dot film provided by the invention.
Specific implementation mode
It is clearly and completely described below in conjunction with the technical solution in the embodiment of the present invention, it is clear that described reality
Example is only one of present invention embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
All other embodiments that those of ordinary skill is obtained under the premise of not making creative work, belong to the present invention
The range of protection.
As shown in Figure 1, being the structural schematic diagram of high efficiency quantum dot film provided by the invention, wherein function anti-blue light layer
Or film 101, upper water oxygen barrier layer 102, quantum dot glue-line 103, lower water oxygen barrier layer 104 and antiscratch coatings 105, green quantum
Point 106, red quantum dot 107, silicon dioxide granule 108, TiO 2 particles 109, adhesive 110, scratch resistance particle 111.
Fig. 2 is the light transmittance comparison diagram of common quantum dot film and high efficiency quantum dot film provided by the invention, such as Fig. 2
It is shown, it is found that quantum dot film provided by the invention can be between a length of 380nm~480nm of selective filter falling ripple
Part high energy blue light.
Fig. 3 is the emission spectrum comparison diagram of common quantum dot film and high efficiency quantum dot film provided by the invention, such as
Shown in Fig. 3, it is found that function anti-blue light layer or film can reflect a large amount of shortwave blue light and carry out secondary excitation for quantum dot,
So the intensity of red quantum dot and the launch wavelength of green quantum dot obviously increases so that the luminous efficiency of whole diaphragm obtains
The intensity of blue light can also be reduced while the promotion of matter, reduce injury of the blue light to eyes.
The preparation method of the high efficiency quantum dot film provided by the invention for reflecting blue light, the method includes following steps
Suddenly：
(1) water oxygen barrier coating is configured, glue A and glue B are mixed according to a certain percentage, after the lower stirring 30min of high speed
It is spare；
(2) water oxygen barrier coating is spread evenly across on function anti-blue light film, UV-light cured obtains water oxygen barrier layer；
(3) adhesive, TiO 2 particles, silicon dioxide granule and red, green quantum dot are mixed, high-speed stirred
Quantum dot glue is obtained after 30min；
(4) quantum dot glue is spread evenly across upper water oxygen and obstructs layer surface, UV-light cured obtains quantum dot glue-line；
(5) water oxygen barrier coating is spread evenly across to the surface of quantum dot glue-line, UV-light cured obtains lower water oxygen barrier
Layer；
(6) anti scuffing particle coating fluid, high-speed stirring after anti scuffing particle and adhesive are mixed according to a certain percentage are configured
Mix 30min.
(7) anti scuffing particle coating fluid is spread evenly across to the surface of lower water oxygen barrier layer, UV-light cured obtains anti-scratch
Hinder coating.
(8) above-mentioned diaphragm is put into 70 DEG C of baking ovens and is cured for 24 hours, obtain high efficiency quantum dot film finished product.
Function anti-blue light layer or film described in the embodiment of the present invention and comparative example are the anti-blue light work(by buying in the market
It can film.The raw material of upper water oxygen barrier layer and lower water oxygen barrier layer described in the embodiment of the present invention and comparative example is block-water performance
The mixture of strong glue A and the strong glue B of resistance oxygen ability, wherein the weight ratio of glue A and glue B are 1:1.
The performance of high efficiency quantum dot film provided by the invention is tested using following methods：
1, thickness is tested：Thickness is tested with micrometer caliper (micrometer).
2, light transmittance is tested：Diaphragm light transmittance is tested with ultraviolet-uisible spectrophotometer.
3, briliancy and white point coordinates (Wx, Wy) test：The quantum dot diffusion barrier sheet of 31.5 cun of sizes is positioned over 31.5 cun
Backlight module middle, lighted with 24V constant voltages, test structure be two brightness enhancement films and a dual brightness enhancement film, survey
Test instrument is CS-2000 spectroradios luminance meter (Konica Minolta Meinengda Holding Co., Ltd), tests its briliancy and white point coordinates.
4, colour gamut is tested：31.5 cun of quantum dot diaphragm is put into 31.5 cun of displays, display respectively will be complete after lighting
Field red, green, blue signal is input to display, and the coloration for testing central point under red, green, blue colour field respectively with CS2000 luminance meters is sat
Mark, NTSC values are calculated by formula.
Embodiment 1
The high efficiency quantum dot film provided by the invention for reflecting blue light, by quantum dot glue-line, function anti-blue light layer or
Film, upper water oxygen barrier layer, lower water oxygen barrier layer and scratch resistance coating composition.Water oxygen is arranged in the upper and lower surface of the quantum dot glue-line
Antiscratch coatings are arranged in the lower surface of barrier layer, the lower water oxygen barrier layer, and work(is arranged in the upper surface of the upper water oxygen barrier layer
It can anti-blue light layer or film.The function anti-blue light layer or film can characteristically reflect blue light, and the blue light that will reflect back into comes two
Secondary excitation quantum point, improves the utilization rate of blue light.
The quantum dot glue-line includes the UV curing acrylic class adhesives of 100 parts by weight；The red quantum of 2 parts by weight
Point；The green quantum dot of 6 parts by weight；The grain size of the TiO 2 particles of 5 parts by weight, the TiO 2 particles is 0.2~0.5
μm；The grain size of the silicon dioxide granule of 10 parts by weight, the silicon dioxide granule is 1~2 μm；The thickness of the quantum dot glue-line
It is 150 μm；The thickness of the antiscratch coatings is 5~10 μm, and the particle in the antiscratch coatings is PMMA, the anti scuffing
The grain size of particle is 10-20 μm；The upper water oxygen barrier layer, lower water oxygen barrier layer thickness be 2~10 μm；The function is anti-
The thickness of blue Light Film or layer is 50 μm.
Embodiment 2
Such as the high efficiency quantum dot film for reflecting blue light that embodiment 1 provides, the quantum dot glue-line includes 100 weight
The adhesive of part；The red quantum dot of 3 parts by weight；The green quantum dot of 7 parts by weight；The TiO 2 particles of 5 parts by weight, it is described
The grain size of TiO 2 particles is 0.2~0.5 μm；The silicon dioxide granule of 10 parts by weight, the grain size of the silicon dioxide granule
It is 1~2 μm；The thickness of the quantum dot glue-line is 150 μm；The thickness of the antiscratch coatings is 5~10 μm, the anti scuffing
Particle in coating is PMMA, and the grain size of the anti scuffing particle is 10-20 μm；The upper water oxygen barrier layer, the barrier of lower water oxygen
The thickness of layer is 2~10 μm；The thickness of the function anti-blue light film or layer is 70 μm.
Embodiment 3
Such as the high efficiency quantum dot film for reflecting blue light that embodiment 1 provides, the quantum dot glue-line includes 100 weight
The adhesive of part；The red quantum dot of 3 parts by weight；The green quantum dot of 7 parts by weight；The TiO 2 particles of 5 parts by weight, it is described
The grain size of TiO 2 particles is 0.2~0.5 μm；The silicon dioxide granule of 10 parts by weight, the grain size of the silicon dioxide granule
It is 1~2 μm；The thickness of the quantum dot glue-line is 150 μm；The thickness of the antiscratch coatings is 5~10 μm, the anti scuffing
Particle in coating is PMMA, and the grain size of the anti scuffing particle is 10-20 μm；The upper water oxygen barrier layer, the barrier of lower water oxygen
The thickness of layer is 2~10 μm；The thickness of the function anti-blue light film or layer is 90 μm.
Embodiment 4
Such as the high efficiency quantum dot film for reflecting blue light that embodiment 1 provides, the quantum dot glue-line includes 100 weight
The adhesive of part；The red quantum dot of 3 parts by weight；The green quantum dot of 7 parts by weight；The TiO 2 particles of 5 parts by weight, it is described
The grain size of TiO 2 particles is 0.2~0.5 μm；The silicon dioxide granule of 10 parts by weight, the grain size of the silicon dioxide granule
It is 1~2 μm；The thickness of the quantum dot glue-line is 150 μm；The thickness of the antiscratch coatings is 5~10 μm, the anti scuffing
Particle in coating is PMMA, and the grain size of the anti scuffing particle is 10-20 μm；The upper water oxygen barrier layer, the barrier of lower water oxygen
The thickness of layer is 2~10 μm；The thickness of the function anti-blue light film or layer is 100 μm.
Embodiment 5
Such as the high efficiency quantum dot film for reflecting blue light that embodiment 1 provides, the quantum dot glue-line includes 100 weight
The adhesive of part；The red quantum dot of 3 parts by weight；The green quantum dot of 7 parts by weight；The TiO 2 particles of 5 parts by weight, it is described
The grain size of TiO 2 particles is 0.2~0.5 μm；The silicon dioxide granule of 10 parts by weight, the grain size of the silicon dioxide granule
It is 1~2 μm；The thickness of the quantum dot glue-line is 150 μm；The thickness of the antiscratch coatings is 5~10 μm, the anti scuffing
Particle in coating is PMMA, and the grain size of the anti scuffing particle is 10-20 μm；The upper water oxygen barrier layer, the barrier of lower water oxygen
The thickness of layer is 2~10 μm；The thickness of the function anti-blue light film or layer is 120 μm.
Embodiment 6
Such as the high efficiency quantum dot film for reflecting blue light that embodiment 1 provides, the quantum dot glue-line includes 100 weight
The adhesive of part；The red quantum dot of 2 parts by weight；The green quantum dot of 6 parts by weight；The TiO 2 particles of 5 parts by weight, it is described
The grain size of TiO 2 particles is 0.2~0.5 μm；The silicon dioxide granule of 10 parts by weight, the grain size of the silicon dioxide granule
It is 1~2 μm；The thickness of the quantum dot glue-line is 200 μm；The thickness of the antiscratch coatings is 5~10 μm, the anti scuffing
Particle in coating is PMMA, and the grain size of the anti scuffing particle is 10-20 μm；The upper water oxygen barrier layer, the barrier of lower water oxygen
The thickness of layer is 2~10 μm；The thickness of the function anti-blue light film or layer is 90 μm.
Embodiment 7
Such as the high efficiency quantum dot film for reflecting blue light that embodiment 1 provides, the quantum dot glue-line includes 100 weight
The adhesive of part；The red quantum dot of 2 parts by weight；The green quantum dot of 6 parts by weight；The TiO 2 particles of 7 parts by weight, it is described
The grain size of TiO 2 particles is 0.2~0.5 μm；The silicon dioxide granule of 10 parts by weight, the grain size of the silicon dioxide granule
It is 1~2 μm；The thickness of the quantum dot glue-line is 250 μm；The thickness of the antiscratch coatings is 5~10 μm, the anti scuffing
Particle in coating is PMMA, and the grain size of the anti scuffing particle is 10-20 μm；The upper water oxygen barrier layer, the barrier of lower water oxygen
The thickness of layer is 2~10 μm；The thickness of the function anti-blue light film or layer is 90 μm.
Embodiment 8
Such as the high efficiency quantum dot film for reflecting blue light that embodiment 1 provides, the quantum dot glue-line includes 100 weight
The adhesive of part；The red quantum dot of 2 parts by weight；The green quantum dot of 6 parts by weight；The TiO 2 particles of 7 parts by weight, it is described
The grain size of TiO 2 particles is 0.2~0.5 μm；The silicon dioxide granule of 15 parts by weight, the grain size of the silicon dioxide granule
It is 1~2 μm；The thickness of the quantum dot glue-line is 250 μm；The thickness of the antiscratch coatings is 5~10 μm, the anti scuffing
Particle in coating is PMMA, and the grain size of the anti scuffing particle is 10-20 μm；The upper water oxygen barrier layer, the barrier of lower water oxygen
The thickness of layer is 2~10 μm；The thickness of the function anti-blue light film or layer is 90 μm.
Embodiment 9
Such as the high efficiency quantum dot film for reflecting blue light that embodiment 1 provides, the quantum dot glue-line includes 100 weight
The adhesive of part；The red quantum dot of 2 parts by weight；The green quantum dot of 6 parts by weight；The TiO 2 particles of 10 parts by weight, institute
The grain size for stating TiO 2 particles is 0.2~0.5 μm；The silicon dioxide granule of 20 parts by weight, the grain of the silicon dioxide granule
Diameter is 1~2 μm；The thickness of the quantum dot glue-line is 200 μm；The thickness of the antiscratch coatings is 5~10 μm, described anti-scratch
It is PMMA to hinder the particle in coating, and the grain size of the anti scuffing particle is 10-20 μm；The upper water oxygen barrier layer, the resistance of lower water oxygen
The thickness of interlayer is 2~10 μm；The thickness of the function anti-blue light film or layer is 90 μm.
Embodiment 10
Such as the high efficiency quantum dot film for reflecting blue light that embodiment 1 provides, the quantum dot glue-line includes 100 weight
The adhesive of part；The red quantum dot of 5 parts by weight；The green quantum dot of 9 parts by weight；The TiO 2 particles of 7 parts by weight, it is described
The grain size of TiO 2 particles is 0.2~0.5 μm；The silicon dioxide granule of 15 parts by weight, the grain size of the silicon dioxide granule
It is 1~2 μm；The thickness of the quantum dot glue-line is 150 μm；The thickness of the antiscratch coatings is 5~10 μm, the anti scuffing
Particle in coating is PMMA, and the grain size of the anti scuffing particle is 10-20 μm；The upper water oxygen barrier layer, the barrier of lower water oxygen
The thickness of layer is 2~10 μm；The thickness of the function anti-blue light film or layer is 90 μm.
Comparative example 1
Such as the quantum dot film that embodiment 1 provides, the quantum dot glue-line includes the adhesive of 100 parts by weight；0 parts by weight
Red quantum dot；The green quantum dot of 0 parts by weight；The TiO 2 particles of 5 parts by weight, the grain size of the TiO 2 particles
It is 0.2~0.5 μm；The grain size of the silicon dioxide granule of 10 parts by weight, the silicon dioxide granule is 1~2 μm；The quantum dot
The thickness of glue-line is 200 μm；The thickness of the antiscratch coatings is 5~10 μm, and the particle in the antiscratch coatings is PMMA,
The grain size of the anti scuffing particle is 10-20 μm；The upper water oxygen barrier layer, lower water oxygen barrier layer thickness be 2~10 μm；
The thickness of the function anti-blue light film or layer is 100 μm.
Red green quantum dot is free of in manufactured finished films, and the red green light of backlight needs, therefore briliancy, color cannot be provided
Coordinate and color gamut value are relatively low.
Comparative example 2
Such as the quantum dot film that embodiment 1 provides, the quantum dot glue-line includes the adhesive of 100 parts by weight；2 parts by weight
Red quantum dot；The green quantum dot of 6 parts by weight；The TiO 2 particles of 5 parts by weight, the grain size of the TiO 2 particles
It is 0.2~0.5 μm；The grain size of the silicon dioxide granule of 10 parts by weight, the silicon dioxide granule is 1~2 μm；The quantum dot
The thickness of glue-line is 200 μm；The thickness of the antiscratch coatings is 5~10 μm, and the particle in the antiscratch coatings is PMMA,
The grain size of the anti scuffing particle is 10-20 μm；The upper water oxygen barrier layer, lower water oxygen barrier layer thickness be 2~10 μm；
The thickness of the function anti-blue light film or layer is 0 μm.
Manufactured finished films are common quantum dot film, and nonfunctional anti-blue light layer cannot reflect blue light, therefore quantum dot
The luminous efficiency of film is general, and briliancy and chromaticity coordinates value are relatively low.
Comparative example 3
Such as the quantum dot film that embodiment 1 provides, the quantum dot glue-line includes the adhesive of 100 parts by weight；3 parts by weight
Red quantum dot；The green quantum dot of 7 parts by weight；The TiO 2 particles of 5 parts by weight, the grain size of the TiO 2 particles
It is 0.2~0.5 μm；The grain size of the silicon dioxide granule of 10 parts by weight, the silicon dioxide granule is 1~2 μm；The quantum dot
The thickness of glue-line is 150 μm；The thickness of the antiscratch coatings is 5~10 μm, and the particle in the antiscratch coatings is PMMA,
The grain size of the anti scuffing particle is 10-20 μm；The upper water oxygen barrier layer, lower water oxygen barrier layer thickness be 2~10 μm；
The thickness of the function anti-blue light film or layer is 0 μm.
Manufactured finished films are common quantum dot film, and nonfunctional anti-blue light layer cannot reflect blue light, therefore quantum dot
The luminous efficiency of film is general, and briliancy and chromaticity coordinates value are relatively low.The quantum that 1 embodiment 1-10 of table and comparative example 1-3 are provided
The performance test results of point film
| Embodiment | Briliancy (cd/m2) | Wx | Wy | Colour gamut (NTSC) |
| Embodiment 1 | 2760 | 0.2754 | 0.2616 | 105% |
| Embodiment 2 | 2959 | 0.2874 | 0.2782 | 104% |
| Embodiment 3 | 3204 | 0.2943 | 0.2893 | 101% |
| Embodiment 4 | 3385 | 0.3013 | 0.2997 | 99% |
| Embodiment 5 | 3572 | 0.3112 | 0.3095 | 95% |
| Embodiment 6 | 3265 | 0.2978 | 0.2905 | 101% |
| Embodiment 7 | 3321 | 0.2997 | 0.2981 | 101% |
| Embodiment 8 | 3432 | 0.3012 | 0.3078 | 101% |
| Embodiment 9 | 3375 | 0.3003 | 0.3019 | 101% |
| Embodiment 10 | 3499 | 0.3123 | 0.3145 | 102% |
| Comparative example 1 | 413 | 0.1821 | 0.1532 | 40% |
| Comparative example 2 | 2475 | 0.2552 | 0.2478 | 107% |
| Comparative example 3 | 2379 | 0.2573 | 0.2501 | 107% |
The test result of the embodiment 1-10 and comparative example 1-3 shown in Fig. 2, Fig. 3 and table 1 can be seen that the present invention
The high efficiency quantum dot film of offer being capable of functionally reflective portion blue light (380nm~480nm) so that quantum dot film
Luminous efficiency increases, and briliancy and chromaticity coordinates obviously rise.It is blue that thickness by changing anti-blue light layer or film can adjust reflection
The degree of light, wherein when the thickness of anti-blue light film is thicker, the amount for reflecting blue light is more, and red green quantum dot light emitting intensity just increases
Greatly, color gamut performance can be influenced when but thickness is excessively high.
Quantum dot, the additive amount range of light diffusion particle and anti-blue light layer are optimized in technical solution provided by the invention
Or the thickness of film.Wherein, the embodiment of the present invention 3,6-10 prepare high efficiency quantum dot film have both higher briliancy and
While chromaticity coordinates, also there is higher colour gamut, the briliancy of the quantum dot film of preparation to be at least 3204cd/m2, colour gamut is at least
It is 101%.Particularly, the comprehensive performance for the quantum dot film that prepared by embodiment 8-10 is best, and briliancy is at least 3375cd/
m2, colour gamut is at least 101%.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is every
The equivalent changes and modifications done according to the content of present invention are encompassed by the scope of the claims of the present invention.
Claims (10)
1. a kind of high efficiency quantum dot film reflecting blue light, which is characterized in that the quantum dot film includes quantum dispensing
Layer and function anti-blue light layer or film；The function anti-blue light layer or film are arranged in the top of the quantum dot glue-line.
2. the high efficiency quantum dot film according to right 1, which is characterized in that the quantum dot film includes that anti scuffing applies
Layer, upper water oxygen barrier layer, lower water oxygen barrier layer, quantum dot glue-line and function anti-blue light layer or film；The quantum dot glue-line it is upper
The upper water oxygen barrier layer of surface setting, the lower water oxygen barrier layer of lower surface setting of the quantum dot glue-line, the lower water oxygen barrier layer
Lower surface antiscratch coatings, the upper surface setting function anti-blue light layer or film of the upper water oxygen barrier layer are set.
3. the high efficiency quantum dot film according to right 1 or 2, which is characterized in that the quantum dot glue-line include adhesive,
Quantum dot and inorganic particulate.
4. the high efficiency quantum dot film according to right 1 or 2, which is characterized in that the quantum dot glue-line includes 100 weight
The adhesive of part, the quantum dot of 8-14 parts by weight, the silica of the TiO 2 particles and 10-20 parts by weight of 5-10 parts by weight
Particle.
5. the high efficiency quantum dot film according to right 1 or 2, which is characterized in that the function anti-blue light layer or film are selected from
Anti-blue light liquid crystal film or multilayer lamination obstruct the combination of one or both of blue light film.
6. the high efficiency quantum dot film according to right 1 or 2, which is characterized in that the function anti-blue light layer or film can
Characteristically reflection wavelength is the part high energy blue light of 380~480nm.
7. the high efficiency quantum dot film according to right 2, which is characterized in that the upper water oxygen barrier layer and the barrier of lower water oxygen
The raw material of layer is compo.
8. the high efficiency quantum dot film according to right 2, which is characterized in that the surface of the antiscratch coatings has convex
It rises.
9. a kind of application of high efficiency quantum dot film according to any one of claim 1-8, which is characterized in that described
High efficiency quantum dot film is applied in straight-down negative or side entrance back module.
10. a kind of method of the high efficiency quantum dot film prepared described in claim 2, which is characterized in that the method packet
Include following steps：
(1) glue A and glue B mixing are obtained water oxygen barrier and applied by the raw material of water oxygen barrier layer and lower water oxygen barrier layer in configuration
Material；
(2) water oxygen barrier coating is spread evenly across on function anti-blue light film, UV-light cured obtains water oxygen barrier layer；
(3) adhesive, TiO 2 particles, silicon dioxide granule and red, green quantum dot are mixed, obtains quantum dot glue；
(4) quantum dot glue is spread evenly across upper water oxygen and obstructs layer surface, UV-light cured obtains quantum dot glue-line；
(5) water oxygen barrier coating is spread evenly across to the surface of quantum dot glue-line, UV-light cured obtains lower water oxygen barrier layer；
(6) antiscratch coatings raw material is configured, anti scuffing particle and adhesive are mixed, anti scuffing particle coating fluid is obtained；
(7) anti scuffing particle coating fluid is spread evenly across to the surface of lower water oxygen barrier layer, UV-light cured obtains anti scuffing painting
Layer；
(8) above-mentioned diaphragm is put into baking oven and is cured, obtain high efficiency quantum dot film finished product.
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